Ka-bar Tanto Knife A Great knife For Combat Hunting and Survival. U.S. Marine Corps This Ka-bar Tanto Knife 1245 used by Army Rangers,blade shape has tanto edge epoxy powder coated high carbon steel (1095) with a (Blade rating of HRC 56-58), has a thick pointed blade that''s good for penetration. Coupled with a glass-filled nylon sheath this knife is designed for the toughest of tasks. Designed to perform like the famous USMC Ka-bar.